Disposing the isolate that is entered by a thread
如图，如果把花括号注释掉，运行会报错：
Fatal error in v8::Isolate::Dispose() Disposing the isolate that is entered by a thread.
企业微信截图_17271687337294.png
企业微信截图_17271687875695.png
原因和作用域有关，看下图：
v8::Isolate::Scope
image.png
void Isolate::Enter
image.png
Isolate::Dispose
image.png
Fatal signal 4 (SIGILL), code 2 (ILL_ILLOPN), fault addr 0x7472705dfd00 in tid xxx
如图，函数定义了返回值类型void*，但是没有返回值，导致报错：
Fatal signal 4 (SIGILL), code 2 (ILL_ILLOPN), fault addr 0x7472705dfd00 in tid xxx
image.png
